@article{AFM_1994_19_1_a4,
     author = {Jussi V\"ais\"al\"a},
     title = {Exhaustions of {John} domains},
     journal = {Annales Fennici Mathematici},
     pages = {47--57},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1994_19_1_a4/}
}